How to Save Electricity with These Home Efficiency Tips
2019 will see a trillion kilowatt-hours (kWh) of electricity produced. In the same year, Americans utilized around 3.7 trillion kWh of power across all uses, including transportation, industry, business, and residential. About 1.4 trillion kWh, or 38%, of the power is used for residential purposes.
What percentage of energy is wasted? You could be surprised at the sum. The discrepancy between output and utilization is already evident. However, energy creation is where the energy losses start.
Only a small portion of the energy contained in fuel is extracted by power plants. Electricity is generated by nuclear, coal, and petroleum power plants with an efficiency of roughly 33%. Natural gas plants do somewhat better, coming close to 40%. This is not to suggest that power plants are ineffective; rather, heat loss is a natural byproduct of physics that cannot be avoided. Compare these numbers to those for vehicles, which move with around 30% of the energy contained in gasoline. An average human body uses 25% less energy than necessary.
Between the power plant and your home, even more energy is lost. Between 8 and 15 percent of the electricity escapes throughout the transmission and distribution process as heat.
However, the total energy used in a residence is not entirely accounted for by electricity. For heating and cooking, many homes use fossil fuels like natural gas, propane, or fuel oil. The amount of energy used by natural gas burnt at home for space heating in 2015 was around 1.6 trillion kWh, which is greater than the amount of electricity used by all US residences in 2019.
At home, we frequently waste energy—both electrical and non-electrical—by using inefficient light bulbs, illuminating vacant spaces, turning up the heat and air conditioning in unoccupied homes, and opening windows to allow conditioned air out. Fortunately, you can cut down on your energy waste at home by combining low-tech and high-tech measures, which will cut down on waste, emissions, and expenses.
Electricity is saved by using efficient light bulbs and lighting techniques
Even while lighting accounts for just around 5% of the power consumed by a typical American household, it is arguably the most noticeable (and controllable) daily energy usage. Similar to other technologies, lights waste electricity by producing heat and when they are kept on unnecessarily. By switching to more efficient light bulbs and shutting off the lights when you're not using them, you can light your house more cheaply and with less waste.
The popularity of incandescent light bulbs has decreased. Contrary to common perception, incandescent light bulbs were not outlawed under the Energy Independence and Security Act of 2007. Instead, it required greater energy efficiency, or using fewer watts to produce the same amount of light.
As a result, the use of inefficient incandescent light bulbs has decreased and the use of alternative types has increased. Although more efficient than incandescent bulbs, fluorescent light bulbs—the long rods or twisted CFL bulbs that emit a stereotypically harsh "office" light—have disadvantages. They emit a poor quality of light, and because they contain mercury, disposal is difficult.
Compared to other options, an LED lights consumes less energy, costs less to operate, and has a longer lifespan. When LEDs are smart light bulbs, they may also have wonderful capabilities like the capacity to dim, change colors, and automate their house.
Smart lighting techniques reduce energy use and costs
Turn off your lights when not in use, and do the same with your TV and other electronics. A typical kWh of electricity costs $12.69. (the average American residential price in December 2019; yours may cost more than twice that). Thus, the cost of seven days of using three 43-watt lights would range from $2.75 to $5.50. Although that is not a startling sum, leaving lights on for many hours at a time adds up over the course of a year.
Also, use outside lighting wisely. The United States spends 120 billion kilowatt-hours of energy annually to brighten streets and parking lots, according to the International Dark-Sky Association. Because it only beams into the air without illuminating anything, they estimate that around 30% of that energy is squandered. The average American house loses 0.5 kWh of energy each night (or roughly $23 per year) on subpar exterior lighting, according to the residential sector.
Again, not a large sum, but your increased efficiency will definitely be appreciated by the environment and the electrical system. Put your outside lights on timers or motion detectors, cover them, and position the lighting in a helpful direction to make greater use of them.
Homes may save energy in addition to switching off the lights by employing natural illumination. Indirect natural light can supplement electric illumination without drastically increasing your A/C or heating costs, depending on which way your home's windows face.
Steps using high- and low-tech assist reduce energy use and costs at home
To maintain a cozy and well-lit environment in our houses, we need a lot of energy. The costs may mount up rapidly between gas and electricity bills. Additionally, it's crucial to reduce waste and use energy effectively for the environment, your pocketbook, and the overworked power infrastructure.
Fortunately, there are easy things you can do to make your house more energy efficient. Compared to alternatives like incandescent or CFL lights, LED lights use a lot less energy. Your HVAC system will run more efficiently if you use weather stripping and caulk to seal up minor crevices in your house. When utilized appropriately, curtains encourage beneficial heat transmission at windows.
Check out more posts on our blog if you learnt anything new, like this one on how the Cove Smart helps you automate your complete house or this one on the different applications for smart lighting.
